Gladstone Capital's third fiscal quarter closed with steady net investment income on a sharply bigger loan book, yet the headline result masks a quieter story underneath. The stock trades near $20.10, in the middle of its fifty-two-week range. Total investment income of $24.5 million climbed 13% from a year earlier. The revenue lift came from a 27% increase in the average interest-bearing portfolio. The externally-managed BDC structure proved to be the lever that moved the quarter. The Adviser's combined fees and the related borrowing costs absorbed nearly all of the revenue lift. Net investment income finished near $11.0 million, roughly 3% below the prior-year quarter. Net investment income per share of $0.49 sat a penny under the prior-year result of $0.50.
The more interesting data point is the relationship between the share price and net asset value. At the end of the third fiscal quarter, the closing market price sat at a 9.7% discount to NAV per share of $21.50. A retail buyer at the quoted price is paying roughly $2.08 less than the underlying value of the loan portfolio. The discount has compressed since earlier this fiscal year as NAV ticked up from $21.34. The dividend declaration of $0.45 per common share annualizes to $1.80. That annualized payout produces a yield near 8.93%, the highest among the lower-middle-market BDC cohort. Three structural elements decide whether the NAV gap closes: the pace of new originations, the credit trajectory of the five non-accrual loans, and the cost of incremental leverage.
The strongest counterargument to the bull case rests on what the data do not show. Average yield on the loan book fell to 11.8% from 12.8% as the Adviser rolled existing positions into the lower-rate environment. Interest expense on the Credit Facility surged 45% on a meaningfully larger average drawn balance. The spread between what the company earns on its loans and what it pays on its senior debt is the entire economic engine. That spread is roughly 500 basis points narrower than a year ago. The Adviser has shifted the funding mix toward longer-dated financings. A fresh senior-notes offering mid-year priced at 7.00% added $60.0 million of new long-dated debt. The forward case depends on whether the new deployment of $138.5 million across nine portfolio companies earns enough to offset the borrowing-cost compression.